import React from 'react'

/* let App = () => {
  return <div>App</div>
}

export default App; */

//导入所需要的子组件
// import Child from './Child'

// import TodoList from './TodoList'

// import Book from './Book/Book'

// import GrandFather from './GrandFather/GrandFather'

import A from './A/A'

export default function App() {

  return (
    <div>
      {/* 调用子组件 */}
      {/* <Child username={"大沫沫"} userage={18} usersex={true} /> */}
      {/* 函数式组件调用，相当于函数调用 
      Child({username:'大沫沫',userage:18,usersex:true}) */}

      {/* <TodoList></TodoList> */}

      {/* <Book></Book> */}

      {/* <GrandFather></GrandFather> */}

      <A></A>
    </div>
  )
}